a common species of elm, Ulmus americana, found from central Saskatchewan to the Maritimes; white elm.
- 1830  (1837)  It is known in market by the name of Swamp Elm.
- 1916  He was a timberjack in the hardwood bush of western Ontario, about to notch a five-foot swamp elm which he and his mate would afterwards bring down with a crosscut saw.
- 1956  White Elm [is also called] swamp elm. . . .